The algorithm of interpolation of hanning Windows FFT reduce the spectral leakageerror and the interference between harmonics.
加窗插值fft算法减小了频谱泄漏误差和降低了谐波之间的相互干扰的影响。
2
Through simple transforms of FFT algorithm, the amending algorithm can reduce satisfactorily the leakageerror, and obtain accurate analysis results.
该算法通过对FFT算法做简单变换,减小了频谱泄漏误差,降低了谐波之间的相互干扰。
3
The time-frequency domain sampling characteristics of periodic signal, the truncation error and the spectrum leakageerror caused by asynchronous sampling are discussed in detail.